/Engine/Source/Editor/AnimGraph/Public/AnimationGraph.h
Returns contained graph nodes of the specified (or child) class
void GetGraphNodesOfClass ( [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [UAnimGraphNode_Base](API\Editor\AnimGraph\UAnimGraphNode_Base) > NodeClass, [TArray](API\Runtime\Core\Containers\TArray)< [UAnimGraphNode_Base](API\Editor\AnimGraph\UAnimGraphNode_Base) * > & GraphNodes, bool bIncludeChildClasses )